package com.darchrow.service;

/**
 * @author mdl
 * @date 2020/4/27 15:18
 */
public interface StorageService {
    /**
     * 扣减库存
     *
     * @param commodityCode
     * @param count
     * @param txNum 事务id
     */
    void deduct(String commodityCode, int count,String txNum);
}
